Buick E2UB-N Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583509) - 2021 - CRC - 1/8/21
Service and Maintenance
315
Air Conditioning Desiccant (Replace Every
Seven Years)
The air conditioning system requires
maintenance every seven years. This service
requires replacement of the desiccant to
help the longevity and efficient operation of
the air conditioning system. This service can
be complex. See your dealer.
Tire Rotation and Required Services
Every 12 000 km/7,500 mi
Rotate the tires, if recommended for the
vehicle, and perform the following services.
See
.
.
Check engine oil level and oil
life percentage. If needed, change engine
oil and filter, and reset oil life system.
See
and
.
Check the air filter life percentage.
If necessary, replace the engine air filter
and reset the engine air filter life system.
See
.
Check engine coolant level. See
.
.
Check windshield washer fluid level. See
.
Check tire inflation pressures. See
.
.
Inspect tire wear. See
.
.
Visually check for fluid leaks.
.
Inspect brake system. See
.
.
Visually inspect steering, suspension, and
chassis components for damage, including
cracks or tears in the rubber boots, loose
or missing parts, or signs of wear at least
once a year. See
.
.
Inspect power steering for proper
attachment, connections, binding, leaks,
cracks, chafing, etc.
.
Visually inspect halfshafts and drive
shafts for excessive wear, lubricant leaks,
and/or damage including: tube dents or
cracks, constant velocity joint or universal
joint looseness, cracked or missing boots,
loose or missing boot clamps, center
bearing excessive looseness, loose or
missing fasteners, and axle seal leaks.
.
Check restraint system components. See
.
.
Visually inspect the fuel system, including
the evaporative (EVAP) system, for
damage or leaks. Visually check all fuel
pipes, vapor lines, and hoses for proper
attachment, connection, routing, and
condition.
.
Visually inspect exhaust system and
nearby heat shields for loose or damaged
parts.
.
Lubricate body components. See
.
.
Check parking brake and automatic
transmission park mechanism. See
Brake and P (Park) Mechanism Check
.
Check accelerator pedal for damage, high
effort, or binding. Replace if needed.
.
Visually inspect gas strut for signs of
wear, cracks, or other damage. Check the
hold open ability of the strut. If the hold
open is low, service the gas strut. See
.
.
Inspect sunroof track and seal,
if equipped. See
.